235
FZUS51 KBOX 181404
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1004 AM EDT WED MAR 18 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-190300-
1004 AM EDT WED MAR 18 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS OVER THE WATERS WED INTO THU, MOVING OFFSHORE FRI
AS A COLD FRONT APPROACHES FROM THE WEST. LOW PRESSURE PASSES THE
REGION THIS WEEKEND.
ANZ250-190300-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SE 5 FT AT 11 SECONDS AND NW 4 FT AT
5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
5 FT AT 10 SECONDS AND NW 2 FT AT 4 SECONDS.
THU
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND
SE 2 FT AT 3 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SE 2 FT AT
3 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT
3 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT THROUGH SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO
30 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-190300-
MASSACHUSETTS BAY AND IPSWICH BAY-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 3 FT AT
11 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
NW 2 FT AT 4 SECONDS.
THU
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
SE 2 FT AT 3 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 2 FT AT
4 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND S 2 FT AT 3 SECONDS. A CHANCE OF RAIN AFTER
MIDNIGHT.
SAT THROUGH SUN
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF
RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-190300-
CAPE COD BAY-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS AROUND 10 KT, BECOMING N. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 11 SECONDS AND NW 2 FT AT
5 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 2 SECONDS.
FRI NIGHT
SW WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND SW 1 FOOT AT 2 SECONDS. A CHANCE
OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SUN AND SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING NW 20 TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-190300-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SE 6 FT AT 10 SECONDS AND NW
4 FT AT 6 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
5 FT AT 10 SECONDS AND NW 2 FT AT 6 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND N 1 FOOT AT
3 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND SW 2 FT AT 3 SECONDS.
SAT THROUGH SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 4 FT AT
9 SECONDS. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-190300-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT AT 10 SECONDS AND W
3 FT AT 5 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS AND W 1 FOOT AT 6 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
SE WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 9 SECONDS AND SW 3 FT AT 4 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS. A
CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 25 TO
30 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-190300-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
THIS AFTERNOON
NW WINDS AROUND 10 KT, BECOMING NE. SEAS 5 TO
7 FT. WAVE DETAIL: S 7 FT AT 10 SECONDS AND W 1 FOOT AT
5 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 3 FT AT 9 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 5 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-190300-
NANTUCKET SOUND-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS AROUND 10 KT, BECOMING N. SEAS 2 TO
4 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SE 2 FT AT
10 SECONDS.
TONIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 10 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS. A
CHANCE OF RAIN.
SAT NIGHT
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
SUN AND SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING NW 20 TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-190300-
VINEYARD SOUND-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 10 SECONDS AND NW 1 FOOT AT
5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SE 1 FOOT AT
2 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS
AND SW 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 20 TO
25 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-190300-
BUZZARDS BAY-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 10 SECONDS AND NW 1 FOOT AT
5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND SE 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 20 TO
25 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-190300-
RHODE ISLAND SOUND-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 10 SECONDS AND NW 1 FOOT AT
5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN AND SNOW.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-190300-
BLOCK ISLAND SOUND-
1004 AM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
NW WINDS 5 TO 10 KT, BECOMING SW. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 10 SECONDS AND W 1 FOOT AT
4 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SE 3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN AND SNOW.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-190300-
BOSTON HARBOR-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT THROUGH SUN NIGHT
NW WINDS 20 TO 25 KT. WAVES AROUND 2 FT.
A CHANCE OF RAIN.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-190300-
NARRAGANSETT BAY-
1004 AM EDT WED MAR 18 2026
THIS AFTERNOON
NW WINDS 5 TO 10 KT, BECOMING S. WAVES 2 TO
3 FT.
TONIGHT
S WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT.
THU
SE WINDS AROUND 5 KT, INCREASING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
SW WINDS AROUND 10 KT. WAVES AROUND 2 FT. A CHANCE
OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
2 TO 3 FT.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. A CHANCE OF RAIN AND SNOW.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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